Observation information
- date-obs: 2018-06-13
- time-obs: 15:53:44.215200000
- date-end: 2018-06-13
- time-end: 17:54:33.210300000
- obs_id: A04_148T01_9000002162
- exposure: 4501.67338399
- sourceid: NGC 7510
- observer: shruthibhat
- ra_pnt: 347.75
- dec_pnt: 60.56667
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1A04_148T01_9000002162_14648cztM0_level2.evt
| modeM0/AS1A04_148T01_9000002162_14648cztM0_level2_quad_clean.evt
|
| Size (bytes) | 551,105,280 | 97,372,800 |
| Size | 525.6 MB
| 92.9 MB
|
| Events in quadrant A | 5,735,776 | 584,756 |
| Events in quadrant B | 3,240,997 | 663,043 |
| Events in quadrant C | 3,894,105 | 654,301 |
| Events in quadrant D | 3,419,073 | 633,313 |
Level1 data integrity
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 118 | 0 |
| B | 0 | 118 | 0 |
| C | 0 | 118 | 0 |
| D | 0 | 118 | 0 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 14 | 0 |
| B | 0 | 14 | 0 |
| C | 0 | 14 | 0 |
| D | 0 | 14 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 21336 | 0 |
| B | 0 | 13387 | 0 |
| C | 0 | 15915 | 0 |
| D | 0 | 14077 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 5920 | 764 | 12.905405% |
| B | 5920 | 79 | 1.334459% |
| C | 5920 | 61 | 1.030405% |
| D | 5920 | 173 | 2.922297% |
Noise dominated fraction
Noise dominated data is calculated using 1-second bins in cleaned event files. If a bin has >2000 counts, and if more than 50% of those come from <1% of pixels, then it is considered to be noise-dominated and hence unusable.
| Quadrant |
# 1 sec bins |
Bins with >0 counts |
Bins with >2000 counts |
High rate bins dominated by noise |
Noise dominated (total time) |
Noise dominated (detector-on time) |
Marked lightcurve |
| A | 7251 | 5921 | 645 | 645 | 8.90% | 10.89% |  |
| B | 7251 | 5921 | 4 | 4 | 0.06% | 0.07% |  |
| C | 7251 | 5921 | 1 | 1 | 0.01% | 0.02% |  |
| D | 7251 | 5921 | 114 | 114 | 1.57% | 1.93% |  |
Top noisy pixels
Top three noisy pixels from each quadrant. If the there are fewer than three noisy pixels in the level2.evt file, extra rows are filled as -1
| Pixel properties |
Quadrant properties |
| Quadrant |
DetID |
PixID |
Counts |
Sigma |
Mean |
Median |
Sigma |
| A | 0 | 253 | 2380337 | 16632.34 | 711 | 698 | 143.1 |
| A | 0 | 23 | 188944 | 1315.73 | 711 | 698 | 143.1 |
| A | 1 | 162 | 131433 | 913.76 | 711 | 698 | 143.1 |
| B | 0 | 189 | 100250 | 702.23 | 768 | 751 | 141.7 |
| B | 0 | 190 | 33504 | 231.16 | 768 | 751 | 141.7 |
| B | 4 | 142 | 30060 | 206.85 | 768 | 751 | 141.7 |
| C | 3 | 233 | 938165 | 5490.04 | 754 | 758 | 170.7 |
| C | 14 | 225 | 5674 | 28.79 | 754 | 758 | 170.7 |
| C | 13 | 61 | 5520 | 27.89 | 754 | 758 | 170.7 |
| D | 10 | 199 | 268359 | 1480.8 | 750 | 730 | 180.7 |
| D | 15 | 0 | 75520 | 413.81 | 750 | 730 | 180.7 |
| D | 5 | 184 | 75253 | 412.34 | 750 | 730 | 180.7 |
Detector plane histogram (DPH)
Histogram calculated using DETX and DETY for each event in the final _common_clean file
| Quadrant A |
 |
 |
Quadrant B |
| Quadrant D |
 |
 |
Quadrant C |
Count rate plots and images
| Plot type |
Count rate plots |
Images |
Comparison with Poisson distribution
Blue bars denote a histogram of data divided into 1 sec bins.
Red curve is a Poisson curve with rate = median count rate of data. |
 |
 |
Quadrant-wise count rates
Data is divided into 100 sec bins |
 |
 |
Module-wise count rates for Quadrant A
Data is divided into 100 sec bins |
 |
 |
Module-wise count rates for Quadrant B
Data is divided into 100 sec bins |
 |
 |
Module-wise count rates for Quadrant C
Data is divided into 100 sec bins |
 |
 |
Module-wise count rates for Quadrant D
Data is divided into 100 sec bins |
 |
 |
Housekeeping plots
| Parameter |
Plot |
| CZT HV Monitor |  |
| D_VDD |  |
| Temperature 1 |  |
| Veto HV Monitor |  |
| Veto LLD |  |
| Alpha Counter |  |
| _CPM_Rate |  |
| CZT Counter |  |
| +2.5 Volts monitor |  |
| +5 Volts monitor |  |
| _ROLL_ROT |  |
| _Roll_DEC |  |
| _Roll_RA |  |
| Veto Counter |  |